Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Cnidaria > Subphylum Medusozoa > Class Hydrozoa > Subclass Hydroidolina > Order Anthoathecata > Suborder Filifera > Superfamily Hydractinoidea > Family Hydractiniidae > Genus Clava

Clava multicornis (Forsskål, 1775)

Rank: Species
Taxon Status: accepted

Original genus

Hydra Linnaeus, 1758

Relationships towards this taxon

Genus group names

*Clava*	Gmelin, 1791	accepted genus name

Species group names

*Clava cornea*	Wright, 1857	synonym
*Clava diffusa*	Allman, 1863	synonym
*Clava leptostyla*	L. Agassiz, 1862	synonym
*Clava squamata*	(Müller, 1776)	synonym

Vernaculars (+) (-)

Dutch: gemeene knodspolyp; gewone knotspoliep sources: Leloup, E. (1952). Coelentérés [Coelenterata]. Institut royal des Sciences naturelles de Belgique: Brussels, Belgium. 283 pp.;Hayward, P.; Nelson-Smith, A.; Shields, C. (1999). Gids van kust en strand: flora en fauna [Coast and beach guide: flora and fauna]. Tirion: Baarn, Netherlands. ISBN 90-5210-327-5. 352, ill. pp.

English: club hydroid; club hydroids; club polyps; club-headed hydroid sources: van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).;Cole, T. C. H. (2017). Wörterbuch der Wirbellosen / Dictionary of Invertebrates. Latein-Deutsch-English. 2017. Springer Spektrum: Berlin. ISBN 978-3-662-52869-3. XII, 574 pp.;PESI (A Pan-European Species directories Infrastructure) focal points

German: Keulenpolyp; Keulen-Polyp

Literature

basis of record	van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 112-120
additional source	Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp.
additional source	Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. China Science Press. 1267 pp.
additional source	Trott, T. J. (2004). Cobscook Bay inventory: a historical checklist of marine invertebrates spanning 162 years. Northeastern Naturalist. 11, 261-324.
additional source	Integrated Taxonomic Information System (ITIS).
additional source	Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 pp.
additional source	Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. 627 pp.
redescription	Schuchert, P. 2012. North-West European Athecate Hydroids and their Medusae. Synopses of the British Fauna (New Series) 59. The Linnean Society of London, London, pp. i-viii, 1-364.
redescription	Schuchert, P. (2008). The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Filifera part 3. Revue suisse de Zoologie. 115: 221-302.

Genbank

External Links

Marine Life Information Network - UK

Citation

Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Clava multicornis (Forsskål, 1775). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:117426